Astronomers have witnessed a young, sun-like star blasting out high-energy gamma radiation for the first time. The observation represents the first evidence that this type of low-mass star, called a T ...

A supernova from the early universe looks unexpectedly familiar, challenging ideas about how the first massive stars lived ...

Astronomers have spotted the longest gamma-ray burst ever seen, a cosmic explosion that lasted seven hours — and they determined it could be the work of a black hole destroying a star.

The post Astronomers Detected What Appears To Be A Triple Gamma Ray Burst For The First Time Ever, Which Should Not Be ...

A team of astronomers including George Washington University physics Ph.D. student Eliza Neights recorded an extraordinary cosmic outburst this July which likely heralds a new kind of stellar ...

Gamma-rays, the most powerful form of light, may erupt from star explosions called novas surprisingly often, but the way these gamma-rays form remains a mystery, scientists say. High-energy gamma-rays ...

Astronomers have discovered a rare binary star system by following its powerful gamma-ray signal — a find that may remove the element of luck from locating more its kind, a new study reveals. Unlike ...

A bright flash of gamma rays observed March 28 by the Swift satellite may have been the death rattle of a star falling into a massive black hole and being ripped apart, according to a team of ...